Stock ownership · SEC 13F · Q4 2025
BOSTON SCIENTIFIC CORP
A breakdown of BOSTON SCIENTIFIC CORP's institutional base (CUSIP 101137107): the holders, the concentration among them, and what changed last quarter.
- $258.1M
- Reported value
- 7
- Institutions
- 100%
- Top-5 share
The verdict
According to SEC Form 13F-HR filings in this corpus, BOSTON SCIENTIFIC CORP ranks #56 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders. 7 institutions report $258.1M as of Q4 2025, with ownership held overwhelmingly by a small core of institutions.
- 7
- institutions hold it
- $258.1M
- reported 13F value
- 100%
- held by top 5
- #56
- of 775 by value
Based on long positions reported to the SEC as of Q4 2025; 13F omits shorts, options and non-US holdings.
According to SEC Form 13F-HR filings in this corpus, BOSTON SCIENTIFIC CORP ranks #56 of 775 tracked securities by reported institutional value (largest first), matching the /stocks listing among names with ≥5 reporting holders.
How 13F ownership is computed · All tracked stocks · Concentration rankings
SEC Form 13F-HR ownership desk
CUSIP 101137107 · Q4 2025 $258M reported
VALUE-HEAVY · HOLDERS-FOCUS · CONC-DOM · NEAR-PEER · ACTIVITY-MID · BOOK-FULL
- VALUE-HEAVY #56/775
- HOLDERS-FOCUS 7 filers
- CONC-DOM 100% top-5
- NEAR-PEER THERMO FISHER SCIENT…
- ACTIVITY-MID 5 new
- BOOK-FULL 8Q history
Photo-finish peer on reported value: THERMO FISHER SCIENTIFIC INC
Read with: Ownership concentration guide - BOSTON SCIENTIFIC CORP's top-five holders account for 100% of reported value — read concentration before treating any single filer as a signal.
Reported-value neighbourhood · BOSTON SCIENTIFIC CORP
Nearest tracked securities by aggregate 13F reported value, not a full corpus reprint.
Institutional ownership over time
The number of institutions reporting a BOSTON SCIENTIFIC CORP position has fallen from 8 to 7 over the last 8 quarters of 13F filings.
Top Institutional Holders
| # | Institution | Shares | Value | Share of reported |
|---|---|---|---|---|
| 1 | GROUPAMA ASSET MANAGMENT | 1,366,905 | $130.3M | 50.5% |
| 2 | Banque Transatlantique SA | 1,202,531 | $114.6M | 44.4% |
| 3 | Pacer Advisors, Inc. | 125,131 | $11.9M | 4.6% |
| 4 | Anchor Investment Management, LLC | 10,086 | $962K | 0.4% |
| 5 | MidFirst Bank | 1,990 | $190K | 0.1% |
| 6 | Bell Investment Advisors, Inc | 665 | $63K | 0.0% |
| 7 | TD Capital Management LLC | 94 | $9K | 0.0% |
Investment Discretion
SEC Form 13F requires each institutional filer to report whether it exercises sole or shared discretion over a position. Among BOSTON SCIENTIFIC CORP's reported holders for Q4 2025, by reported value:
Latest Quarter Activity · Q4 2025
New positions (5)
Complete exits (11)
Frequently Asked Questions
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Nationwide stocks with similar institutional value or holder count
Two 13F-derived peer sets for BOSTON SCIENTIFIC CORP: nearest aggregate reported value and nearest institutional holder count, not catalog browse links.
Similar reported value
Nearest stocks by aggregate 13F reported value ($258.1M here).
Similar holder count
Nearest stocks by number of disclosing 13F holders (7 here).
Source: U.S. Securities and Exchange Commission (SEC) - EDGAR Form 13F-HR institutional holdings filings · Q4 2025 13F-HR discloses long US-listed equity positions of managers with $100M+ qualifying assets, filed within 45 days of period end. Short positions and most derivatives are not disclosed.
PlainFundData is rendered directly from SEC EDGAR Form 13F-HR institutional holdings filings, no number is typed in by an editor. Holder lists, concentration, and reported value on this page are aggregated live from those 13F-HR extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-16.